Home / 140,910.14-194,460.47-77,247.38

Finding the Fourth Proportional to 140,910.14, 194,460.47 and 77,247.38

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Solution

The fourth proportional to 140,910.14, 194,460.47 and 77,247.38 is: 106,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,910.14 : 194,460.47 = 77,247.38 : x
  2. Step 2: Convert to fraction form
    140,910.14/194,460.47 = 77,247.38/x
  3. Step 3: Cross multiply
    140,910.14x = 194,460.47 × 77,247.38
  4. Step 4: Simplify right side
    140,910.14x = 15,021,560,462.53
  5. Step 5: Solve for x
    x = 15,021,560,462.53/140,910.14
  6. Step 6: Final answer
    x = 106,603.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.